Are you looking for Mcqs on Parts of plants? If Yes then you are at right place. Here you will find Parts of plants Mcq Questions and Answers, Trivia, Quiz, Interview MCQ & Parts of plants Current Affairs for Competitive Exams like Neet exams, around 30% to 40% of Neet questions are asked from given Parts of plants Mcqs. as you know Questions and Ansers on Parts of plants is very important for Neet Exam. In this Parts of plants MCQ section for Neet competition we are covering MCQS on Parts of plants
Question : Difference between heartwood and sapwood is that heartwood
A. shows the presence of fibres and rays
B. has dead and non-conducting elements
C. lacks parenchyma and vessels
D. is susceptible to pathogens and pests
Question : Vascular bundles are closed in monocots as:
A. presence of vascular cambium between xylem and phloem
B. presence of xylem and phloem
C. absence of vascular cambium
D. xylem and phloem occur in separate bundles
Question : In monocots, grafting is not possible as _________
A. They show parallel venation
B. they have scattered vascular bundles
C. they lack cambium
D. they are herbaceous
Question : Which of the following is not a lateral meristem?
A. Phellogen
B. Cork cambium
C. Intercalary meristem
D. Interfascicular cambium
Question : Which of the following are the primary water-conducting elements of xylem in gymnosperms?
A. Fibres
B. vessels
C. Tracheids
D. Transfusion tissue
Question : This is one of the most recent and valid explanations for stomatal movements.
A. Starch hydrolysis
B. Transpiration
C. Guard cell photosynthesis
D. Potassium efflux and the influx
Question : Which of the following events takes place in a ring girdled plant?
A. The eath of the root first
B. The death of the shoot first
C. The shoots and the root dies first
D. Neither the shoot nor the root will die
Question : Which of the following statement are true about the Tyloses – the balloon-shaped structures?
A. Characterise the sapwood
B. Original in the lumen of vessels
C. Are linked to the ascent sap through xylem vessels
D. Are extensions of the xylem parenchyma cells into vessels
Question : Which of the following is made of dead cells?
A. Phloem
B. Phellem
C. Collenchyma
D. Xylem parenchyma
Question : Which of the following factors promotes the opening of the stomatal aperture?
A. A decrease in guard cell turgidity
B. When the outer walls of the guard cells contracts
C. Radial orientation of the cellulose microfibrils in the cell wall of the guard cells
D. The longitudinal orientation of the cellulose microfibrils in the cell wall of guard cells